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ost_trial_download.exe

This is a setup program which is used to install the application. The file has been seen being downloaded from software-files-a.cnet.com and multiple other hosts.
MD5:
7eefc312a21b5fe20620450ed7be4ff2

SHA-1:
08f3de4af0cff732469ed0ae69b6c6028b10142b

SHA-256:
14bc6ae8575d2607ea109fd60b738adc632ca5e1837f4b27cade6d5d4d289e6f

Scanner detections:
0 / 68

Status:
Clean (as of last analysis)

Analysis date:
7/20/2025 7:38:17 PM UTC  (today)

File size:
202.5 MB (212,377,600 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\downloads\ost_trial_download.exe

File PE Metadata
Compilation timestamp:
7/23/2007 1:28:54 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6291456:tJH8bQkT4dgTiZS6QTSo0BBrOEgR9HjL7DwYdrDYAycW3WbfX:7cbQkJTiFQTS/pgHZS8f

Entry address:
0x7698

Entry point:
E8, 19, 28, 00, 00, E9, 16, FE, FF, FF, 55, 8B, EC, 83, EC, 20, 53, 33, DB, 39, 5D, 10, 75, 20, E8, A4, 15, 00, 00, 53, 53, 53, 53, 53, C7, 00, 16, 00, 00, 00, E8, 35, 15, 00, 00, 83, C4, 14, 83, C8, FF, E9, 80, 00, 00, 00, 8B, 4D, 0C, 3B, CB, 56, 8B, 75, 08, 74, 21, 3B, F3, 75, 1D, E8, 75, 15, 00, 00, 53, 53, 53, 53, 53, C7, 00, 16, 00, 00, 00, E8, 06, 15, 00, 00, 83, C4, 14, 83, C8, FF, EB, 53, B8, FF, FF, FF, 7F, 3B, C8, 89, 45, E4, 77, 03, 89, 4D, E4, 57, FF, 75, 18, 8D, 45, E0, FF, 75, 14, C7, 45, EC...
 
[+]

Entropy:
7.9997  (probably packed)

Code size:
56 KB (57,344 bytes)

The file ost_trial_download.exe has been seen being distributed by the following 3 URLs.

http://software-files-a.cnet.com/s/software/11/88/03/.../OST_Trial_Download.exe

http://files.downloadnow.com/s/software/11/88/03/.../OST_Trial_Download.exe

http://downloads.oncenter.com/downloads/OST/.../OST_Trial_Download.exe

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